Finding the Fourth Proportional to 8,150,276.70, 12,225,415.05 and 4,371,140.70
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Solution
The fourth proportional to 8,150,276.70, 12,225,415.05 and 4,371,140.70 is: 6,556,711.05
Step by Step Solution
- Step 1: Write the proportion equation
8,150,276.70 : 12,225,415.05 = 4,371,140.70 : x - Step 2: Convert to fraction form
8,150,276.70/12,225,415.05 = 4,371,140.70/x - Step 3: Cross multiply
8,150,276.70x = 12,225,415.05 × 4,371,140.70 - Step 4: Simplify right side
8,150,276.70x = 53,439,009,299,447.54 - Step 5: Solve for x
x = 53,439,009,299,447.54/8,150,276.70 - Step 6: Final answer
x = 6,556,711.05
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.